#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
void reverse(char arr[]) {
	int len = strlen(arr);
	for (int i = 0; i < len / 2; i++) {
		char temp = arr[i];
		arr[i] = arr[len - i - 1];
		arr[len - i - 1] = temp;
	}
}
 
int main(void) {
	char A[10002] = { 0 }, B[10002] = { 0 }, res[10003] = { 0 };
	int carry = 0;
 
	scanf("%s %s", A, B);
	reverse(A);
	reverse(B);

	int len = strlen(A) > strlen(B) ? strlen(A) : strlen(B);
 
	for (int i = 0; i < len; i++) {
		int sum = A[i] - '0' + B[i] - '0' + carry;

		while (sum < 0) sum += '0';
		if (sum > 9) carry = 1;
		else carry = 0;
		res[i] = sum % 10 + '0';
	}

	if (carry == 1) res[len] = '1';
	reverse(res);
	printf("%s", res);
 
	return 0;
}